RaceAtlas

San Mateo Bridge Tides: Monday, April 20, 2026

Tide heights at San Mateo Bridge with the flood, ebb and slack schedule at the Golden Gate.

8.4 ft2:18 AM-1.3 ft9:45 AM6.3 ft4:36 PM3.0 ft9:37 PM0 ft2 ft4 ft6 ft8 ft12 AM6 AM12 PM6 PM12 AM
High 8.4 ft at 2:18 AM, low -1.3 ft at 9:45 AM. Gate: flood 2.9 kt at 1:01 PM, ebb 1.9 kt at 5:24 AM.
Modelled current at the Golden Gate on a 2.9 kt floodThe Gate at max flood, 2.9 kt
Tide height
TimeHeight
2:18 AMHigh8.4 ft
9:45 AMLow-1.3 ft
4:36 PMHigh6.3 ft
9:37 PMLow3.0 ft
Current · Golden Gate
TimeStateSpeed
2:42 AMslack–
5:24 AMmax ebb SW (235°)1.9 kt
9:49 AMslack–
1:01 PMmax flood ENE (074°)2.9 kt
5:03 PMslack–
7:15 PMmax ebb SW (235°)0.9 kt
9:22 PMslack–

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414458 (San Mateo Bridge). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.